Introduction to Probability Probability SRIJITA BANERJEE https://unacademy.com/user/mampi

What is it? - Tricky topic - Basically a ratio P (# of success)/(total # of outcomes) 0 P 1 (Always in this range) P-0 : No success (which is impossible) P 1 Success happens every single time (Not possible)

What is the probability that a month name has 'R' in it?

What is the probability that a month name has 'R' in it? Let's make a list first

What is the probability that a month name has 'R' in it? Let's make a list first January February March April May June - September -October - November December - July August

What is the probability that a month name has 'R' in it? Let's make a list first January February March April May June - September October November December - July August

What is the probability that a month name has 'R' in it? Considering the above situation: Ans: 8/12

"RANDOM" - Every individual event is absolutely unpredictable The overall pattern of the event is completely predictable Let's take the example of a coin:

COMPLEMENT RULE P(A): The probability of event A So, according the rule that we studied 0xP(A)<1 Again going through the previous concepts: P(A)= 0 A is impossible P (A)= 1 A is certain or guaranteed

What is complement rule? Complement of A = not A Let's consider an example P(not A)1- P(A)

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Srijita Banerjee

B.Tech in Biotechnology\singer\loves teaching\public speaker\peer educator\Bengali

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Pankaj Singh

a year ago

Maths papers provide karvabe

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